55234-U
Supel™ QuE QuEChERS tube
Acetate Tube, pk of 50, AOAC® 2007.01
Synonym(s):
QuEChERS
About This Item
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product name
Supel™ QuE, Acetate Tube, pk of 50, AOAC® 2007.01
material
polypropylene tube
Quality Level
Agency
AOAC® 2007.01
product line
Supel™
composition
magnesium sulfate, 6 g
sodium acetate, 1.5 g (Cat. No. 58750)
packaging
pk of 50
technique(s)
QuEChERS: suitable
centrifuge tube volume
15 mL
application(s)
food and beverages
separation technique
ion exchange
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General description
Using the QuEChERS method, food/agricultural samples are first extracted with an aqueous miscible solvent (e.g., acetonitrile) in the presence of high amounts of salts (e.g., sodium chloride and magnesium sulfate) and/or buffering agents (e.g. citrate) to induce liquid phase separation and stabilize acid and base labile pesticides, respectively. Upon shaking and centrifugation, an aliquot of the organic phase is subjected to further cleanup using SPE. Unlike traditional methods using SPE tubes, in dispersive SPE, cleanup is facilitated by mixing bulk amounts of SPE (e.g., Supelclean PSA, ENVI-Carb, and/or Discovery DSC-18) with the extract. After sample cleanup, the mixture is centrifuged and the resulting supernatant can either be analyzed directly or can be subjected to minor further treatment before analysis.
Supelco carries a line of vials and centrifuge tubes containing pre-determined amounts of salts and SPE sorbents to support the most common method configurations used today.
Suitability
Legal Information
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Chromatograms
suitable for GC, application for SPEapplication for SPE, suitable for GCOur team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
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